i will tell you why?
because the Stock Firmware have all TouchWiz Features like : air gesture, smart stay, s beam, air view, multi-window, reading mode, smart pause, elc..
there is a lot of things in the Samsung TouchWiz
but when you look into CM its a Raw android, you just have every thing you need.
Device : GT-I9500
ROM(s) : Stock 4.4.2
@The Same Device
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